JUnit 5中的ExternalResource和TemporaryFolder的等价物是什么？ [英] What is the equivalent of ExternalResource and TemporaryFolder in JUnit 5?

问题描述

根据 JUnit 5用户指南，JUnit Jupiter为某些JUnit 4规则提供向后兼容性以帮助迁移。

According to the JUnit 5 User Guide, JUnit Jupiter provides backwards compatibility for some JUnit 4 Rules in order to assist with migration.

如上所述，JUnit Jupiter不会并且本身不支持JUnit 4规则。然而，JUnit团队意识到许多组织，特别是大型组织，可能拥有大型JUnit 4代码库，包括自定义规则。为了服务这些组织并实现渐进式迁移路径，JUnit团队决定在JUnit Jupiter中逐字支持一系列JUnit 4规则。

As stated above, JUnit Jupiter does not and will not support JUnit 4 rules natively. The JUnit team realizes, however, that many organizations, especially large ones, are likely to have large JUnit 4 codebases including custom rules. To serve these organizations and enable a gradual migration path the JUnit team has decided to support a selection of JUnit 4 rules verbatim within JUnit Jupiter.

该指南继续说其中一条规则是 ExternalResource ，它是 TemporaryFolder 。

The guide goes on to say that one of the rules is ExternalResource, which is a parent for TemporaryFolder.

然而，该指南遗憾的是没有继续说什么迁移路径是，或者对于那些编写新的JUnit 5测试的人来说是等价的。那么我们应该使用什么？

However, the guide unfortunately doesn't go on to say what the migration path is, or what the equivalent is for those writing new JUnit 5 tests. So what should we use?

推荐答案

JUnit5的TemporaryFolderExtension作者的有趣文章

和

他在github上的代码回购

JUnit5.0.0现已全面发布，所以我们希望他们把注意力转移到让生产准备就绪的实验性产品上。

JUnit5.0.0 is now in general release so let's hope they turn their attention to making the experimental stuff production-ready.

同时，似乎TemporaryFolder规则仍然适用于JUnit5 docs

Meanwhile, it seems the TemporaryFolder rule will still work with JUnit5 docs

使用此：

@EnableRuleMigrationSupport
public class MyJUnit5Test {

和此：

<dependency>
    <groupId>org.junit.jupiter</groupId>
    <artifactId>junit-jupiter-migrationsupport</artifactId>
    <version>5.0.0</version>
</dependency>

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